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Clockwise from the top-left: Pi, Bridge & Tunnel, Onesto and Katie's Pizzeria Cafe.
Four new pizza joints have opened in St. Louis in recent weeks. The RFT went into the kitchens of all four and had the chefs prep the pies. Here's a look at what each restaurant has to offer -- from New York-style slices to deep dish to artisan Italian crusts -- in this slide show.